Category: Mississippi River

Alton, Illinois

1927 USGS 1:62,500 topographic map with shaded relief in 20″ x 24″ layout. This is part of a series of maps show the major tributaries

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Cairo, Illinois

1931 USGS 1:62,500 topographic map with shaded relief in 20″ x 24″ layout. This is part of a series of maps that show the major

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